ELEKTRANE (Zavrni ispit, 24. 12. 2007. godine)

Ime i prezime: ___________________________ Br. indeksa: _____________

1. Definicija, karakterisitike i podjele elektroenergetskih sistema.

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(8.5 poena) 2. Ukupna dnevna energija je: (zaokruite tane odgovore):

a) Povrina ispod dnevnog dijagrama optereenja. b) Proizvod . h24Pm max c) Povrina ispod krive trajanja optereenja. d) Proizvod . h24Psr

(4 poena)

3. Definicija i podjele hidroelektrana. Skicirati i objasniti glavne dijelove hidroelektrana.

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(8.5 poena) 4. Elementi hidromainske opreme su (zaokruite tane odgovore):

a) Vodna turbina, b) Reetka, c) Cjevovodi,

d) Vodostan, e) Zatvarai, f) Pomoni ureaji.

(4 poena)

Ime i prezime: _________________________ Broj indeksa: ____________

5. Skicirati i objasniti emu zatvorenog krunog ciklusa kod termoelektrana. Kratko objasniti ulogu pojedinih elemenata eme.

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(8.5 poena) 6. U pomone zagrijevne povrine kotla ubrajaju se: (zaokruite tane odgovore):

a) Pregrija pare. b) Vatreni i dimni kanali. c) Zagrija vode. d) Zagrija vazduha. e) Loite.

(4 poena)

7. Definicija i osnovni dijelovi gasnih termoelektrana. Skicirati emu gasne termoelektrane. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________ _________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________ _________________________________________________________________________________________ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________ _________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

(8.5 poena) 8. Lananu reakciju u nuklearnom reaktoru kod nuklearnih elektrana mogue je odravati ako je:

(zaokruite taan odgovor):

a) faktor multiplikacije vei ili jednak 1. b) faktor multiplikacije manji od 1.

(4 poena)

Ime i prezime: ___________________________ Ime i prezime: _________________________ Broj indeksa: ____________